vb_book/app/Models/InvoiceModel.php

<?php 
namespace App\Models;
use CodeIgniter\Model;


class InvoiceModel extends Model 
{
protected $table = 'invoice';
protected $primaryKey = 'invoice_id';
// protected $allowedFields = ['invoice_id','invoice_number','customer_id','invoice_date','event_id','business_id','created_on','business_id'];
protected $allowedFields = ['invoice_id', 'invoice_number', 'customer_id','notes', 'invoice_date', 'due_date', 'subtotal', 'tax', 'discount', 'shipping_charge','shipping_label','total_amount', 'payment_status', 'order_number','invoice_type', 'payment_method', 'event_id', 'business_id', 'shipping_address_id', 'billing_address_id', 'created_on', 'created_by', 'updated_on', 'updated_by','category','isactive','billing_address','shipping_address','status'];

public function saveInvoiceItemDetails($data){
    $i = 0;
    $statement = [];
    foreach ($data as $row) {
        $id = isset($row['invoice_child_id']) ? $row['invoice_child_id'] : '';
        if($id != ''){
            unset($row['invoice_child_id']); // Remove the id from the data to avoid updating it
            unset($row['created_by']); // bcoz here data are Updating here.
            $this->db->table('invoiceitems')->where('invoice_child_id', $id)->update($row);// Update the row with the specified id
            $affectedRows = $this->db->affectedRows();
            $statement[$i] = "Invoice Item - ".$id." ".$affectedRows ? " Updated":" Not Updated";
        }else{    
            unset($row['updated_by']); // bcoz here data are inserting here.
            $this->db->table('invoiceitems')->insert($row);
            $insertID = $this->db->insertID();
            $statement[$i] = "Invoice Item - ".$insertID." Inserted";
        }
    }
    return $statement;
}


public function inactiveMissingInvoiceItemDetails($where,$missingValues){
    $dataToUpdate = ['isactive' => 0];
    $this->db->table('invoiceitems')->where($where)->whereIn('invoice_child_id',$missingValues)->update($dataToUpdate);
}

public function updateData($table, $data, $where)
{
        $this->db->table($table)->update($data, $where);
        $affected_rows = $this->db->affectedRows();
        return $affected_rows;
}

    public function getSubscriptionInvoiceDetail($where)
    {
        $result = $this->getJoinedData($where);
        // print_r($result);die;
        if(!empty($result)){
            foreach ($result as $i => $item) {
                $invoiceId = $item['invoice_id'];
                $scheme_name = [];
                $from_subscription = [];
                $to_subscription = [];
                $invoiceItems = $this->getInvoiceItems($invoiceId,'');
                foreach ($invoiceItems as $j => $child) {    
                    if ($child->category_name == 'Membership') {
                        $scheme_name[] = $child->title;
                        $from_subscription[] = ($j == 0 && !empty($child->from_subscription) && $child->from_subscription !== null) ? date('d/m/Y', strtotime($child->from_subscription)) : "";
                        $to_subscription[] = ($j == 0 && !empty($child->to_subscription) && $child->from_subscription !== null ) ? date('d/m/Y', strtotime($child->to_subscription)) : "";
                    }
                }
                $result[$i]['scheme_name'] = !empty($scheme_name) ? implode(", ", $scheme_name) : '';
                $result[$i]['from_subscription'] = !empty($from_subscription) ? implode(" ", $from_subscription) : '';
                $result[$i]['to_subscription'] = !empty($to_subscription) ? implode(" ", $to_subscription) : '';
                $result[$i]['invoice_items_details'] = $invoiceItems;
            }
        }
        return $result;
    }

    public function getJoinedData($where)
    {
        
        return $this->db->table($this->table.' as I' )
        
        ->join('customers as C', 'C.customer_id = I.customer_id', 'left')
        ->join('events as E', 'E.event_id = I.event_id', 'left')
        ->join('business as B', 'B.business_id = I.business_id', 'left')
        ->join('users as U1', 'U1.user_id = I.created_by', 'left')
        ->join('users as U2', 'U2.user_id = I.updated_by', 'left')
        ->select('I.invoice_id, I.invoice_number, I.customer_id,concat(C.first_name," ",C.last_name) as customer_name , I.invoice_date, I.due_date, I.subtotal, I.tax, I.discount, I.total_amount,I.status, I.payment_status, I.order_number, I.payment_method,I.invoice_type, I.event_id,E.event_name, I.business_id,B.title as business_name, I.created_on, I.created_by,concat(U1.first_name," ",U1.last_name) as created_by_name, I.updated_on, I.updated_by,concat(U2.first_name," ",U2.last_name) as updated_by_name, I.isactive,C.email as customer_email,C.mobile_no as customer_mobile,I.shipping_address_id,I.shipping_address,I.billing_address_id,I.billing_address,B.address as business_address,B.city as business_city,B.state as business_state,B.postal_code as business_postal_code,B.email as business_email,B.mobile_no as business_mobile_no')
        ->where($where)
        ->orderBy('invoice_id', 'DESC')
        ->get()
        ->getResultArray();
        
        
        // I.shipping_address_id, I.billing_address_id,         
    }

    
    public function getDetailForApproveNotifications($where)
    {
        $result = $this->getJoinedData($where);
        if(!empty($result)){
            foreach ($result as $object) {
                $invoiceId = $object['invoice_id'];
                $items = $this->getInvoiceItems($invoiceId,'');
            }
        }else{
            $items = [];
        }
        $data['invoice'] = $result;
        $data['item'] = $items;
        return $data;
    }

    public function getData($table, $where = null)
    {
        $query = $this->db->table($table);
        if ($where) {
            $query->where($where);
        }
        return $query->get()->getResult();
    }

    public function getInvoiceData($id)
    {
        // Fetch invoice data
        return $this->db->table('invoice')
        ->where('invoice_id', $id)
        ->join('customers as C','C.customer_id= invoice.customer_id','left')
        ->join('business as B','B.business_id = invoice.business_id','left')
        ->join('customer_addresses as A','A.customer_id=invoice.customer_id and A.address_type=1','left')
        ->join('states', 'states.state_short_name = A.state AND A.country = "IN"', 'left')
        ->join('countries', 'countries.country_short_name = A.country', 'left')
        ->select('invoice.*,concat(C.first_name," ",C.last_name) as customer_name,A.address_1, A.address_2,A.postal_code,A.city, A.state,C.mobile_no as customer_mobile')
        ->select('B.title as  ,B.business_logo,B.terms,B.address,B.city,B.state,B.postal_code,B.email,B.mobile_no')
        ->select('COALESCE(NULLIF(states.state_name, ""), A.state) AS customer_bill_state')
        ->select('concat(A.address_1," ", A.address_2) as customer_bill_address,A.postal_code as customer_bill_postal_code ,A.city as customer_bill_city, countries.country_name as customer_bill_country')
        ->get()
        ->getResult();
         
    }
    // this function Also Used For Approve Notification.
        public function getInvoiceItems($id,$stringflag)
        {

            if ($stringflag == 'groupby') {
                $select = 'invoiceitems.*, B.*, GROUP_CONCAT(C.name SEPARATOR \',\') as name';
                $group_by = 'invoiceitems.invoice_child_id';
            } else {
                $select = 'invoiceitems.*, B.*, C.name as category_name';
                $group_by = "";
            }

                $data = $this->db->table('invoiceitems')
                            ->where(['invoice_id' => $id, 'invoiceitems.isactive' => 1])
                            ->join('books as B', 'B.book_id = invoiceitems.product', 'left')
                            ->join('book_categories as BC', 'BC.book_id = invoiceitems.product', 'left')
                            ->join('category as C', 'C.id = BC.category_id', 'left')
                            ->select($select)
                            ->groupBy($group_by)  // Fixed the variable name here
                            ->get()
                            ->getResult();

                //->orderBy("book_img_id", "asc") // Order by book_img_id in ascending order
                //->limit(1,0) 
                

                // print_r($this->db->getLastQuery());die;
                // print_r($data);die("ends -- here");
                return $data;
        }

        
        public function getMembershipListForCustomer($category, $id)
        {
            $data = $this->db->table('subscription as S')
            ->join('customers as C', 'C.customer_id = S.customer_id', 'left')
            ->join('category as CM', 'CM.id = S.scheme_id', 'left')
            ->join('book_categories as BC', 'BC.category_id = S.scheme_id', 'left')
            ->join('books as BK', 'BC.book_id = BK.book_id', 'left')
            ->select('S.customer_id, CONCAT(C.first_name, " ", C.last_name) as customer_name, S.sub_id, S.scheme_id, DATE_FORMAT(S.from_subscription, "%d/%m/%Y") AS formatted_from_subscription, DATE_FORMAT(S.to_subscription, "%d/%m/%Y") AS formatted_to_subscription, S.from_subscription, S.to_subscription, S.created_on, CM.name, BK.title, BK.book_id')
            ->where('CM.name', strtolower($category))
            ->where('S.customer_id', $id)
            ->groupBy('S.sub_id')
            ->orderBy('S.created_on', 'ASC')
            ->get()
            ->getResultArray();
            return $data;
        }

        public function getProductImgs($productId)
        {
            $data =  $this->db->table('book_images')
                ->where(['book_id' => $productId])
                // ->join('books as B', 'B.book_id = invoiceitems.product', 'left')
                // ->join('book_images as BI', 'BI.book_id = invoiceitems.product', 'left')
                ->select('book_images.*')
                //->orderBy("book_img_id", "asc") // Order by book_img_id in ascending order
                //->limit(1,0) 
                ->get()
                ->getResult();

                // print_r($this->db->getLastQuery());
                return $data;
        }
        
    public function getCategoryBooks()
{
    return $this->db->table('books')
        ->join('book_categories', 'book_categories.book_id= books.book_id', 'left')
        ->join('category','category.id=book_categories.category_id')
        ->where('category.name', 'membership')
        ->get()
        ->getResult();
        
}
public function getNonMembershipCategoryBooks()
{
    $data = $this->db->table('books')
    ->select('books.*')
    ->join('book_categories', 'book_categories.book_id= books.book_id', 'left')
    ->join('category','category.id=book_categories.category_id')
        ->where('category.name !=', 'membership')
        ->groupBy('books.book_id')
        ->get()
        ->getResult();
    return $data;

}
public function insertSubscriptionData($data)
{
    return $this->db->table('subscription')->insert($data);
}

// ***********************REPORT**********************

public function get_general_invoice_data($f_date = null, $t_date = null)
{
    // Fetch invoice data
    $query = $this->db->table('invoice')
        ->select('invoice.*, customers.*, COUNT(invoiceitems.product) as item_count')
        ->where('invoice.isactive', 1)
        ->where('invoice.invoice_type', 1)
        ->where('invoiceitems.isactive', 1);

    // Add date range filter if provided
    if ($f_date !== null && $t_date !== null) {
        $query->where('invoice.invoice_date >=', $f_date)
            ->where('invoice.invoice_date <=', $t_date);
    }

    $result = $query->join('customers', 'customers.customer_id = invoice.customer_id', 'left')
        ->join('invoiceitems', 'invoiceitems.invoice_id = invoice.invoice_id', 'left')
        ->join('books', 'books.book_id = invoiceitems.product', 'left')
        ->groupBy('invoice.invoice_id') // Assuming invoice_id is the primary key of the invoice table
        ->get()
        ->getResult();

    return $result;
}


public function get_mem_invoice_data($f_date = null, $t_date = null)
{
    // Fetch invoice data
    $query = $this->db->table('invoice')
        ->select('invoice.*, customers.*, COUNT(invoiceitems.product) as item_count')
        ->where('invoice.isactive', 1)
        ->where('invoice.invoice_type', 2)
        ->where('invoiceitems.isactive', 1);

        // Add date range filter if provided
        if ($f_date !== null && $t_date !== null) {
            $query->where('invoice.invoice_date >=', $f_date)
                ->where('invoice.invoice_date <=', $t_date);
        }

         $result = $query->join('customers', 'customers.customer_id = invoice.customer_id', 'left')
        ->join('invoiceitems', 'invoiceitems.invoice_id = invoice.invoice_id', 'left')
        ->join('books', 'books.book_id = invoiceitems.product', 'left')
        ->groupBy('invoice.invoice_id') // Assuming invoice_id is the primary key of the invoice table
        ->get()
        ->getResult();

        return $result;
    
}

public function itemwise_report_data($f_date = null, $t_date = null)
{
    // Fetch invoice data
    $query = $this->db->table('invoice')
        ->select('invoice.*, books.* , COUNT(invoiceitems.product) as item_count , sum(invoiceitems.product * invoiceitems.unit_price) as item_cost')
        ->where('invoice.isactive', 1)
        ->where('books.isactive', 1);

        // Add date range filter if provided
        if ($f_date !== null && $t_date !== null) {
            $query->where('invoice.invoice_date >=', $f_date)
                ->where('invoice.invoice_date <=', $t_date);
        }

        $result = $query->join('invoiceitems', 'invoiceitems.invoice_id = invoice.invoice_id', 'left')
        ->join('books', 'books.book_id = invoiceitems.product', 'left')
        ->groupBy('books.book_id') 
        ->get()
        ->getResult();

        return $result;
}

}